Detergent is more efficient than soap in cleansing clothes and dishes because of the following...

Explanation

Detergent is a cleaning agent that is commonly used for washing clothes and dishes. It is more efficient than soap in cleansing because it has a unique chemical structure. One of the reasons why detergent is more efficient than soap is that it is not affected by the hardness of water, unlike soap. Hard water contains minerals such as calcium and magnesium that can react with soap to form insoluble compounds that stick to clothes and dishes, making them difficult to clean. Detergents, on the other hand, have a special structure that allows them to work well in both hard and soft water.

Another reason why detergent is more efficient than soap is that it cleans better than soap. Detergents contain surfactants, which are molecules that break down the surface tension between water and dirt, allowing them to be easily washed away. Soap, on the other hand, has a limited ability to dissolve in water, making it less effective in removing dirt and stains.

Additionally, the corresponding calcium and magnesium compounds formed when detergents react with hard water are soluble in water, which means they can be easily rinsed away. This is not the case with soap, as the compounds formed are insoluble and will remain on the clothes or dishes.

However, the given question asks us to identify the reason why detergent is not more efficient than soap, and the correct option is D, which states that detergent is less expensive than soap. This is not a reason why detergent is less efficient than soap, but rather a benefit for users who can save money by using detergent instead of soap.